Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh di » thanh doi, thanh de, thanh do
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de cua

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky sang) OR (ky dang)) ma hoi. hieu ((ve cam) OR (va cam)) xuc van thanh di cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky sang) or (ky dang)) ma hoi. hieu ((ve cam) OR (va cam)) xuc van thanh di cua vat~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky sang) or (ky dang)) ma hoi. hieu ((ve cam) OR (va cam)) xuc van thanh di cua vat*.